1070027905 has 4 divisors (see below), whose sum is σ = 1284033492. Its totient is φ = 856022320.

The previous prime is 1070027891. The next prime is 1070027911. The reversal of 1070027905 is 5097200701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 362255089 + 707772816 = 19033^2 + 26604^2 .

It is not a de Polignac number, because 1070027905 - 2¹¹ = 1070025857 is a prime.

It is a super-2 number, since 2×1070027905² = 2289919434957378050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107002786 + ... + 107002795.

It is an arithmetic number, because the mean of its divisors is an integer number (321008373).

Almost surely, 2^1070027905 is an apocalyptic number.

It is an amenable number.

1070027905 is a deficient number, since it is larger than the sum of its proper divisors (214005587).

1070027905 is an equidigital number, since it uses as much as digits as its factorization.

1070027905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214005586.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 1070027905 is about 32711.2810051823. The cubic root of 1070027905 is about 1022.8180131218.

The spelling of 1070027905 in words is "one billion, seventy million, twenty-seven thousand, nine hundred five".